东亚机械：公司暂无螺杆膨胀发电机、工艺气体压缩机等的设计能力。

Core Viewpoint - Dongya Machinery (301028.SZ) currently lacks the design capabilities for screw expansion generators and process gas compressors [1] Company Summary - Dongya Machinery has stated on its investor interaction platform that it does not possess the design capabilities for screw expansion generators [1] - The company also indicated a lack of design capabilities for process gas compressors [1]